JP2012221392A - On-vehicle device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an "on-vehicle device" for controlling a user interface for an operation of an audio function of a portable device so as to effectively utilize display resources.SOLUTION: When a navigation mode is set, a navigation screen is displayed (a) in a main window 31. When a player mode is set, if a version of AVRCP of a radio-connected smartphone 2 is not 1.3 or newer, since meta information of audio data under reproduction cannot be acquired from the smartphone 2, a control window 32 where a button for an audio function operation of the smartphone 2 is arranged is displayed (b) while maintaining the display of the main window 31. If the version of the AVRCP is 1.3 or newer, a player screen indicating the button for the audio function operation of the smartphone 2 and the meta information of the audio data under reproduction acquired from the smartphone 2 is displayed (c) in the main window 31.

Description

  The present invention relates to a technology for controlling a user interface for reproduction control operation of audio data recorded in a portable device in an in-vehicle device to which the portable device can be connected.

  As a technology related to user interface control for audio data reproduction control operation, in a vehicle-mounted device having a navigation function for displaying a navigation screen showing a current position on a map and an audio data reproduction function, audio data Is a technique for displaying a user interface screen on which information such as albums, artists, and titles of music represented by audio data being reproduced and a button for accepting a user's reproduction control operation are displayed. For example, Patent Document 1).

JP 2008-041213 A

  In an in-vehicle device to which a portable device can be connected, as a user interface screen for reproduction control operation of audio data recorded in the portable device, information such as the album, artist, title, etc. of the music represented by the audio data being reproduced as described above When using a user interface screen on which a button for accepting a user's playback control operation is used, the following problem occurs.

  In other words, depending on the portable device, a function for outputting information such as the album, artist, title, etc. of the music represented by the audio data being played to the connected in-vehicle device, and control according to the operation for a part of the playback control operation. There is a case where it does not have a function of receiving from a connected in-vehicle device. In such a case, if the above-described user interface screen is displayed, a lot of unintentional display portions are included, and display resources cannot be effectively used.

  Therefore, an object of the present invention is to control a user interface for operating an audio function of a portable device so that display resources can be effectively used in an in-vehicle device to which the portable device can be connected.

  To achieve the above object, the present invention provides an in-vehicle device mounted on an automobile, a wireless interface capable of wirelessly connecting a display device and a portable device having an audio function, and a portable device connected to the wireless interface, Determining means for determining whether or not meta information of audio data being played back by the audio function of the portable device can be output, a button for operating the audio function of the portable device connected to the wireless interface, the portable device Audio function remote control means for generating a player screen including the display of the meta information acquired from the device, a function unit for providing a predetermined function and generating a UI screen constituting a user interface of the function, When the mode 1 is set, the display of the display device is switched to the UI screen, and the user switches to the second mode. Is set by the determination means that the mobile device connected to the wireless interface can output the meta information, the display on the display device is switched to the player screen, A user interface switching unit that maintains display of the UI screen of the display device when the determination unit determines that the mobile device connected to the wireless interface cannot output the meta information; In the function remote control means, when the player screen is displayed, the audio function of the portable device connected to the wireless interface is controlled according to the operation of the button by the user.

  According to such an in-vehicle device, when the wirelessly connected portable device cannot output the meta information, the button for operating the audio function of the portable device and the display of the meta information acquired from the portable device are displayed. The UI screen of the functional unit that provides other functions is displayed on the display device without displaying the player screen including the display on the display device. Here, when the mobile device cannot output the meta information, the in-vehicle device cannot acquire the meta information to be displayed on the player screen, so the display portion of the meta information on the player screen is insignificant. Therefore, the display resource of the in-vehicle device can be effectively used by doing in this way.

  Here, in the in-vehicle device, the user interface switching unit determines that the portable device connected to the wireless interface cannot output the meta information when the second mode is set by the user. If determined by means, a button for operating the audio function of the mobile device connected to the wireless interface is arranged on the display of the UI screen while maintaining the display of the UI screen of the display device. The audio function control window is displayed, and when the audio function control window is displayed in the audio function remote control means, the audio function control window is responsive to a user operation on the button arranged in the audio function control window. The audio function of the portable device connected to the wireless interface It may be configured to control.

In this way, since the mobile device cannot output the meta information, the user can ensure the operability of the audio function of the mobile device even when the player screen is not displayed.
Moreover, in such an in-vehicle device, the predetermined function provided by the function unit may be a car navigation function, and the UI screen may be a navigation screen that displays a current position on a map.
Further, such an in-vehicle device uses the wireless interface as a wireless interface in accordance with a Bluetooth standard, and the determination unit acquires profile information of the portable device connected to the wireless interface from the portable device, and When the version of AVRCP (Audio / Video Remote Control Profile) provided in the mobile device is a version of 1.3 or later, it is determined that the mobile device can output meta information of audio data being played by the audio function, and When the version of AVRCP included in the portable device connected to the wireless interface is not 1.3 or later, the portable device may be configured to determine that the meta information of the audio data being reproduced by the audio function cannot be output. .

  As described above, according to the present invention, in an in-vehicle device to which a portable device can be connected, the user interface for operating the audio function of the portable device can be controlled so that display resources can be effectively used.

It is a block diagram which shows the structure of the vehicle-mounted apparatus and smart phone which concern on embodiment of this invention. It is a block diagram which shows the example of a display screen of the vehicle-mounted apparatus which concerns on embodiment of this invention. It is a flowchart which shows the user interface switching process which concerns on embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described by taking as an example a case where the portable device connected to the in-vehicle device is a smartphone.
In FIG. 1, the structure of the vehicle-mounted apparatus and smart phone which concern on this 1st Embodiment is shown.
As illustrated, the smartphone 2 includes an operation unit 201, a display 202, a voice input / output unit 203 including a microphone and a speaker, a BT module 204, an SDP DB 205, an SP-operating system 206 that is an OS of the smartphone 2, An SP-AP 207, which is an application managed by the SP-operating system 206 and running on the SP-operating system 206, a storage unit 208, and a mobile communication device 209 for accessing the mobile telephone network are provided.

  In addition, the smartphone 2 serves as a SP-AP 207 in accordance with a mobile phone application that provides a mobile phone function using the mobile communication device 209, the voice input / output unit 203, and the operation unit 201, or an operation of the operation unit 201. A plurality of applications such as a music player application that reproduces audio data recorded in 208 and outputs from the audio input / output unit 203 is provided.

  Next, the BT module 204 of the smartphone 2 is a Bluetooth module in the Bluetooth standard that performs processing of a lower stack of the Bluetooth (registered trademark) standard, and performs processing for controlling wireless connection with other devices. The SP-operating system 206 includes an upper BT stack 2061 that performs processing of a stack lower than the application layer in the upper stack of the Bluetooth (registered trademark) standard.

Protocols / functions defined by various profiles including SDP (Service Discovery Protocol) are realized by the BT module 204 and the upper BT stack 2061.
Here, the protocol / function defined by the SDP of the smartphone 2 has a function of providing service information provided by the smartphone 2 to other devices wirelessly connected by the BT module 204, and information on the provided service. Is described in advance in the SDP DB 205. Here, the information of this service includes the profile of the smartphone 2 and the information of its version.

  Also, the protocol / defined by the AVRCP (Audio / Video Remote Control Profile) on the target side by the BT module 204 and a stack such as AVCTP (Audio / Video Control Transport Protocol) included in the upper BT stack 2061 and the music player application Function is realized.

  Here, the protocol / function defined by the AVRCP of the smartphone 2 is a function of accepting remote control from another device wirelessly connected by the BT module 204 and controlling the audio function of the smartphone 2. However, the version of AVRCP that the smartphone 2 has varies from smartphone to smartphone, and each smartphone 2 has AVRCP1.0 and AVRCP1.0 functions that only accept remote control of operations such as playback / stop as AVRCP, In addition to the functions of AVRCP1.3 and AVRCP1.3 that have the function of providing meta information (album, artist, title, genre, track number, etc.) of the audio data being played back, it also has functions such as browsing of content It has one of AVRCP1.4.

  Now, the music player application reproduces the audio data recorded in the storage unit 208 in accordance with remote control from another device wirelessly connected to the BT module 204 received via the BT module 204 and the upper BT stack 2061. And the reproduced audio data is distributed to other devices via the upper BT stack 2061 and the BT module 204, and the meta information of the audio data being reproduced is wirelessly connected to the other devices by the BT module 204. By providing it to (in the case of AVRCP1.3, 1.4), it bears a part of the above-mentioned AVRCP functions.

  Next, the in-vehicle device 1 is a device mounted on an automobile, and as illustrated, an input device 101, a display device 102, a voice input / output device 103 including a microphone, a speaker, and the like, a BT module 104, and the in-vehicle device 1 H-operating system 105 which is the OS of the OS, H-AP 106 which is an application which is managed by the H-operating system 105 and runs on the H-operating system 105, GPS receiver 107, gyro sensor 108, vehicle speed sensor 109, recording The apparatus 110 is provided.

Here, the in-vehicle device 1 includes a navigation application, a player client application, and the like as the H-AP 106.
Here, the navigation application uses the map data recorded in the recording device 110 to calculate the current position and the current traveling direction using the GPS receiver 107, the gyro sensor 108, and the vehicle speed sensor 109, and the purpose from the user. It accepts setting of the location, searches for a route to the set destination, outputs a navigation screen showing a mark indicating the current position and current traveling direction on the map, and a route to the destination.

  Next, the BT module 104 of the in-vehicle device 1 is a Bluetooth module in the Bluetooth standard that performs processing of a lower stack of the Bluetooth (registered trademark) standard, and performs processing for controlling wireless connection with other devices. . The H-operating system 105 includes an upper BT stack 1051 that performs processing of a stack lower than the application layer in the upper stack of the Bluetooth (registered trademark) standard.

The BT module 104 and the upper BT stack 1051 implement protocols / functions defined by various profiles including SDP.
Here, the protocol / function defined by the SDP of the in-vehicle device 1 has a function of acquiring information on services provided by other devices to which the BT module 104 is wirelessly connected. Here, the information of the service includes the profile and version information of other devices.

The control side AVRCP is realized by the BT module 104, a stack such as AVCTP included in the upper BT stack 1051, and the player client application.
Here, the AVRCP of the in-vehicle device 1 has a function of remotely controlling the audio function of the other device in cooperation with the AVRCP of the other device to which the BT module 104 is wirelessly connected. Moreover, AVRCP of the in-vehicle device 1 corresponds to any version of AVRCP1.0, AVRCP1.3, and AVRCP1.4.

  Then, the player client application of the in-vehicle device 1 is used for controlling meta information acquired from another device wirelessly connected to the BT module 104 via the BT module 104 and the upper BT stack 1051 and the audio function of the other device. Processing for receiving an output of a player screen representing a button or a user operation of the button via the input device 101 and notifying other devices wirelessly connected by the BT module 104 via the upper BT stack 1051 and the BT module 104 By performing the above, it bears a part of the above-mentioned AVRCP function. In addition, the player client application of the in-vehicle device 1 outputs, from the voice input / output device 103, voice represented by audio data distributed from another device wirelessly connected to the BT module 104 via the BT module 104 and the upper BT stack 1051. Processing is also performed.

  Here, the in-vehicle device 1 has a navigation mode and a player mode as operation modes, and the user operates the mode key provided in the input device 101 to change the operation mode of the in-vehicle device 1 to the navigation mode. It is possible to arbitrarily switch between player modes.

  Further, in this embodiment, for providing a user interface to the user, as shown in FIG. 2A, a main window 31 set on the entire display screen of the display device 102 and a band-like set on the main window 31 are provided. Two windows, the control window 32, are used. Here, the main window 31 is always set, but the display of the control window 32 can be deleted.

  Here, the navigation application outputs a navigation control screen on which buttons for accepting main operations of the navigation application are displayed as a control window screen in addition to the navigation screen described above. In addition to the navigation screen described above, the music client application outputs a player control screen in which buttons for accepting major operations of the audio function of the smartphone 2 are arranged as a control window screen.

In the control window 32, as shown in FIGS. 2A and 2B, one of the navigation control screen and the player control screen is displayed together with the switching button 321.
FIG. 2a shows that the navigation control screen is displayed together with the switch button 321 in the control window 32. As shown in the figure, the navigation control screen displays a “wide area” for accepting a change operation. ”And“ Details ”buttons, a“ Destination ”button for receiving a destination setting process call operation, and a“ Menu ”button for receiving a menu call operation.

  2b shows that the player control screen is displayed together with the switching button 321 in the control window 32. As shown in the figure, the player control screen includes a button for accepting a reproduction start operation, a reproduction pause, and the like. A button for accepting operations is provided.

Hereinafter, user interface switching processing performed by the H-operating system 105 of the in-vehicle device 1 will be described.
FIG. 3 shows the procedure of this user interface switching process.
As shown in the figure, in this user interface switching process, if the setting of the operation mode is changed to the navigation mode (step 302), the navigation screen output by the navigation application as described above is displayed on the main window 31 (step 302). 304). Then, the control window 32 is set, and a navigation control screen output by the navigation application is displayed on the control window (step 306).

As a result, as shown in FIG. 2a, the display of the display device 102 is such that a navigation screen is displayed on the main window 31 and a navigation control screen is displayed on the control window.
In this user interface switching process, if the operation mode setting is changed to the player mode (step 308), the version of AVRCP which is one of the services provided by the smartphone 2 to which the BT module 104 is wirelessly connected is provided. Is determined to be 1.3 or later (step 310). Note that information on services provided by the smartphone 2 to which the BT module 104 is wirelessly connected is acquired when the smartphone 2 is wirelessly connected by the above-described SDP function.

  If the version of AVRCP included in the service provided by the smartphone 2 to which the BT module 104 is wirelessly connected is a version earlier than 1.3 (that is, 1.0), the player control screen output by the player client application in the control window Is displayed (step 312).

As a result, as shown in FIG. 2B, the display on the display device 102 is such that a navigation screen is displayed on the main window 31 and a player control screen is displayed on the control window.
On the other hand, if it is determined in step 310 that the version of AVRCP included in the service provided by the smartphone 2 to which the BT module 104 is wirelessly connected is 1.3 or later, the player client is displayed in the main window 31 as described above. The player screen output by the application is displayed (step 314), and the display of the control window 32 is deleted (step 316).

  As a result, as shown in FIG. 2c, only the main window 31 is set for display on the display device 102, and the audio data being reproduced obtained from the smartphone 2 wirelessly connected to the in-vehicle device 1 is set in the main window 31. Various buttons (search for accepting operations that can be accepted by the AVRCP of the smartphone 2 of the audio function of the smartphone 2 wirelessly connected to the in-vehicle device 1 and display of meta information (title, album, artist, etc.) , Skip, playback / playback stop, etc.) are displayed.

  Next, when the operation of the switching button 321 provided in the control window 32 occurs in the state where the control window is displayed (step 318), the screen displayed in the control window 32 is switched (step 320). That is, when the navigation control screen is displayed on the control window 32 as shown in FIG. 2a when the switch button 321 is operated, the control window 32 is switched to the player control screen as shown in FIG. 2b. If the player control screen is displayed in the control window 32 as shown in FIG. 2b when the operation of the switching button 321 occurs, the display of the control window 32 is switched to the navigation control screen as shown in FIG. 2a. .

The user interface switching process performed by the H-operating system 105 of the in-vehicle device 1 has been described above.
As described above, according to the present embodiment, when the wirelessly connected smartphone 2 is not capable of outputting meta information, the buttons for operating the audio function of the smartphone 2 and the meta information acquired from the smartphone 2 are used. The main window 31 of the display device 102 is used for the display of the navigation screen without displaying the player screen including the above display on the main window 31 of the display device 102. Here, when the smartphone 2 cannot output the meta information, the in-vehicle device 1 cannot acquire the meta information to be displayed on the player screen, and therefore the display portion of the meta information on the player screen is insignificant. Therefore, by doing in this way, the display resource of the vehicle-mounted apparatus 1 can be used effectively.

Also in this case, since the player control screen on which buttons for accepting main operations of the audio function of the smartphone 2 are arranged is displayed in the control window 32, the operability of the audio function of the user's smartphone 2 is Secured.
In the above embodiment, the case where the mobile device is the smartphone 2 has been described. However, in the present embodiment, an arbitrary mobile device such as a PDA, a portable audio player, or a mobile phone is connected to the in-vehicle device 1 and used. Is equally applicable.

  DESCRIPTION OF SYMBOLS 1 ... Car-mounted apparatus, 2 ... Smartphone, 31 ... Main window, 32 ... Control window, 101 ... Input device, 102 ... Display apparatus, 103 ... Voice input / output device, 104 ... BT module, 105 ... H-operating system, 106 ... H-AP, 107 ... GPS receiver, 108 ... gyro sensor, 109 ... vehicle speed sensor, 110 ... recording device, 201 ... operation part, 202 ... display, 203 ... voice input / output part, 204 ... BT module, 205 ... SDP DB 207 206 SP-operating system 207 SP-AP 208 Storage unit 209 Mobile communication device 321 Switching button 1051 Upper BT stack 2061 Upper BT stack

Claims (4)

An in-vehicle device mounted on an automobile,
A display device;
A wireless interface capable of wirelessly connecting a portable device having an audio function;
A determination unit that determines whether the portable device connected to the wireless interface is capable of outputting meta information of audio data being reproduced by the audio function of the portable device;
Audio function remote control means for generating a player screen including a button for operating the audio function of the portable device connected to the wireless interface, and display of the meta information acquired from the portable device;
A function unit that provides a predetermined function and generates a UI screen that constitutes a user interface of the function;
When the first mode is set by the user, the display of the display device is switched to the UI screen, and when the second mode is set by the user, the portable device connected to the wireless interface has the meta information. Is determined by the determining means to switch the display of the display device to the player screen, and the determining means that the mobile device connected to the wireless interface cannot output the meta information. The user interface switching means for maintaining the display of the UI screen of the display device,
The audio function remote control means controls an audio function of a portable device connected to the wireless interface in accordance with a user's operation of the button when the player screen is displayed. . The in-vehicle device according to claim 1,
When the user interface switching unit determines that the mobile device connected to the wireless interface is not capable of outputting the meta information when the second mode is set by a user, While maintaining the display of the UI screen of the display device, an audio function control window in which buttons for operating the audio function of the portable device connected to the wireless interface are arranged on the display of the UI screen,
When the audio function control window is displayed, the audio function remote control means is connected to the wireless interface in response to a user operation on the button arranged in the audio function control window. A vehicle-mounted device that controls the audio function of the vehicle. The in-vehicle device according to claim 1 or 2,
The in-vehicle device, wherein the predetermined function provided by the function unit is a car navigation function, and the UI screen is a navigation screen showing a current position on a map. The in-vehicle device according to claim 1, 2, or 3,
The wireless interface is a wireless interface according to the Bluetooth standard,
The determination means acquires profile information of a portable device connected to the wireless interface from the portable device, and the version of AVRCP (Audio / Video Remote Control Profile) provided in the portable device is a version after 1.3 If the mobile device connected to the wireless interface is not version 1.3 or later, the mobile device determines that the mobile device can output meta information of the audio data being played back with the audio function. An in-vehicle device, wherein the device determines that meta information of audio data being reproduced by the audio function cannot be output.